prestressed-concrete vessel top slab是什么意思

用法例句

With application of pre-stressed concrete pressure vessels(PCPV) instead of steel pressure vessels as the primary circuit pressure boundary of MHTR,the residual heat removal system must be designed specially.

采用预应力混凝土压力容器(PCPV)代替钢制压力容器作为MHTR的一回路压力边界,对余热排出系统设计提出了特殊要求。